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import java.applet.Applet;
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import java.awt.Graphics;
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import java.io.*;
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import java.net.*;
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import javax.sound.midi.*;
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import com.sun.media.sound.*;
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import javax.sound.midi.*;   
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public class MixerMidiApplet extends Applet {
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  Sequencer sequencer = null;
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  Sequence mySeq = null;    
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  @Override
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  public void start() {
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     //What midi file do we need to play.. ?
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    String filename = getParameter("MIDIFILE");
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    // Main code, its in a try thanks to all the calls that 
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    // might theoretically go wrong.
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    try {
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      // Get a list of midi devices installed. We added our own device 
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      // (well actually only a device provider) that returns a 
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      // MixerSequencer. Another option would be to use the 
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      // default RealtimeSequencer and then use a RMF midifile, 
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      // that way the RealtimeSequencer will be using a MixerSequencer.
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      // But then we need our own MidiFileReader and return 
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      // the correct MidiFile info, this is much easier :)
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      MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
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      // infos[0] should be our MixerSequencerProvider
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      MidiDevice mixer = MidiSystem.getMidiDevice(infos[0]);
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      // Turn it into a sequencer
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      sequencer = (Sequencer)mixer;
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      // Open it      
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      sequencer.open();
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      // Get the input stream from the midi file so we 
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      // can use that in setSequencer
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      InputStream midistream = getClass().getResourceAsStream(filename);
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      //We need to convert the InputStream to an byteArrayInputStream 
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      // to avoid 'ERROR! java.io.IOException: mark/reset not supported'
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      // exceptions
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      ByteArrayOutputStream bos = new ByteArrayOutputStream();
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      byte[] buf = new byte[1024];
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      int c;
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      while((c = midistream.read(buf)) != -1) {
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      	bos.write(buf, 0, c);
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      }
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      ByteArrayInputStream bamidistream = new ByteArrayInputStream(bos.toByteArray());
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      // This will call nOpenRmfSequencer wich will the RMF SONG BlockID
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      // as our pSong->userReference
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      sequencer.setSequence(bamidistream);
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      // We add a controler at the first array field.
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      MyController mc = new MyController();
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      // This will fil the right tables, and add our newly found 
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      // SONG id (in the .rmf file) where we want it.
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      sequencer.addControllerEventListener(mc, new int[] {0});
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      // Start playing the midi file, then find a nice 
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      // 00 B0 80 00 secquence and make us happy 
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      sequencer.start();
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    } catch (Exception ex) {
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        System.out.println("ERROR! " + ex);
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    }
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  }
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    public void run() {
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    }    
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}
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